H44W不锈钢旋启式止回阀用途:
旋启式止回阀适用于公称压力PN1.0MPa~42.0MPa;公称通径DN15~1200mm;工作温度-196~540℃的各种管路上,用于防止介质倒流。通过选用不同的材质,可适用于水、蒸汽、油品、醋酸、强氧化性介质及尿素等多种介质。主要用于石油、化工、制药、化肥、电力等管路上。
旋启式止回阀的采用内装摇臂旋启式结构,阀门的所有启闭件都装于阀体内部,不穿透阀体,除了中法兰部位用密封垫片和密封环外,整体没有外漏点,杜绝阀门外泄的可能。 旋启式止回阀摇臂和阀瓣连接处采用球面连接的结构,使得阀瓣在360度范围内有一定的自由度,有适当的微量位置补偿。适用于清净介质,不宜用于含有固体颗粒和粘度较大的介质。
H44W不锈钢旋启式止回阀设计规范:
设计制造:GB/T12236
结构长度:GB/T12221
连接法兰:GB/T9113 JB/T79 HG20592
压力试验:GB/T13927
H44W不锈钢旋启式止回阀性能规范:
产品型号 | 公称压力MPa | 试验压力MPa | 适用温度℃ | 适用介质 | |
壳体试验 | 密封试验 | -29~425℃ | 水、气、油品等非腐蚀性介质 | ||
H44H-10C | 1.0 | 1.5 | 1.1 | ||
H44H-16C | 1.6 | 2.4 | 1.8 | ||
H44H-25C | 2.5 | 3.8 | 2.8 | ||
H44H-40C | 4.0 | 6.0 | 4.4 | ||
H44H-64C | 6.4 | 9.6 | 7.0 | ||
H44H-100C | 10.0 | 15.0 | 11.0 |
永嘉中致阀门部分阀门产品:
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